[w3m-dev 03708] Re: Don't stop loading image when moving to next page.

* config.h.dist (lstat): define ifndef HAVE_LSTAT
* configure (config.h) ditto
* display.c (fmTerm): new loadImage
	(save_current_buf): only ifdef USE_BUFINFO
	(displayBuffer): new loadImage
* etc.c (setup_child): TrapSignal
* file.c (loadGeneralFile): TRAP_OFF, TRAP_ON
	(loadHTMLstream): ditto
	(loadGopherDir): ditto
	(loadBuffer): ditto
	(loadImageBuffer): ditto
	(getNextPage): ditto
	(save2tmp): ditto
* fm.h (TrapSignal): added
	(TRAP_ON): added
	(TRAP_OFF): added
* form.c (HAVE_LSTAT): deleted
* frame.c (createFrameFile): TRAP_OFF, TRAP_ON
* image.c (image_buffer): added
	(deleteImage): new loadImage
	(getAllImage): initialize image_buffer
	(loadImage): rewrite
* main.c (main): new loadImage
	(checkDownloadList): remove ifdef HAVE_LSTAT
* news.c (loadNwesgroup): TRAP_ON, TRAP_OFF
* proto.h (loadImage): add buf arg
* url.c (openSocket): TRAP_ON, TRAP_OFF
	(check_no_proxy): TRAP_ON, TRAP_OFF
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

frame.c

@@ -1,4 +1,4 @@
-/* $Id: frame.c,v 1.30 2003/01/20 15:30:20 ukai Exp $ */
+/* $Id: frame.c,v 1.31 2003/01/29 17:10:39 ukai Exp $ */
 #include "fm.h"
 #include "parsetagx.h"
 #include "myctype.h"
@@ -424,15 +424,10 @@ createFrameFile(struct frameset *f, FILE * f1, Buffer *current, int level,
 
     if (level == 0) {
 	if (SETJMP(AbortLoading) != 0) {
-	    if (fmInitialized)
-		term_raw();
-	    signal(SIGINT, prevtrap);
+	    TRAP_OFF;
 	    return -1;
 	}
-	prevtrap = signal(SIGINT, KeyAbort);
-	if (fmInitialized)
-	    term_cbreak();
-
+	TRAP_ON;
 	f->name = "_top";
     }
 
@@ -852,9 +847,7 @@ createFrameFile(struct frameset *f, FILE * f1, Buffer *current, int level,
     fputs("</table>\n", f1);
     if (level == 0) {
 	fputs("</body></html>\n", f1);
-	signal(SIGINT, prevtrap);
-	if (fmInitialized)
-	    term_raw();
+	TRAP_OFF;
     }
     return 0;
 }